Which metal is more reactive than hydrogen but less reactive than carbon? [mr-3]

Gold

Sodium

Iron

Aluminium

Which metal is less reactive than sodium but cannot be extracted using carbon? [mr-4]

Gold

Potassium

Iron

Aluminium

Which is formed when a metal reacts with cold water? [mr-5]

a metal hydroxide

a salt

carbon dioxide

an oxide

Which is a compound formed when a metal reacts with an acid? [mr-6]

a metal hydroxide

a salt

hydrogen

an oxide

Which is formed when a metal reacts with either water or an acid? [mr-7]

a metal hydroxide

a salt

hydrogen

an oxide

Which is formed when a heated metal reacts with steam? [mr-8]

a metal hydroxide

a salt

carbon dioxide

an oxide

Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...Metal Wa does not readily react with dilute acidMetals Xb and Yc react slowly with acidMetal Zd will displace Yc from the
sulfate salt solution of Yc, YcSO4(aq).Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(aq).If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...which metal corresponds to (1), the most reactive of the four metals? [mr-9]

metal Xb

metal Zd

metal Yc

metal Wa

Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...Metal Wa does not readily react with dilute acidMetals Xb and Yc react slowly with acidMetal Zd will displace Yc from the
sulfate salt solution of Yc, YcSO4(aq).Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(aq).If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...which metal corresponds to (2), the 2nd most reactive of the four metals? [mr-10]

metal Xb

metal Zd

metal Yc

metal Wa

Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...Metal Wa does not readily react with dilute acidMetals Xb and Yc react slowly with acidMetal Zd will displace Yc from the
sulfate salt solution of Yc, YcSO4(aq).Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(aq).If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...which metal corresponds to (3), the 3rd most reactive of the four metals? [mr-11]

metal Xb

metal Zd

metal Yc

metal Wa

Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...Metal Wa does not readily react with dilute acidMetals Xb and Yc react slowly with acidMetal Zd will displace Yc from the
sulfate salt solution of Yc, YcSO4(aq).Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(aq).If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...which metal corresponds to (4), the least reactive of the four metals? [mr-12]

metal Xb

metal Zd

metal Yc

metal Wa

From the four elements listed, which is a metal which is most likely to be found in the ground as the metal itself? [mr-13]

copper

hydrogen

iron

magnesium

From the four elements listed, which is a non-metal with no metallic character at all? [mr-14]

copper

hydrogen

iron

magnesium

From the four elements listed, which is a metal that displaces hydrogen from acids but not from cold water? [mr-15]

copper

gold

iron

magnesium

From the four elements listed, which is a metal that cannot be extracted by displacement with carbon? [mr-16]

copper

hydrogen

iron

magnesium

Which is formed by the reaction of heated magnesium with steam? [mr-17]

magnesium oxide + hydrogen

magnesium hydroxide + hydrogen

magnesium chloride + hydrogen

magnesium
sulfate + hydrogen

Which is formed by the reaction of magnesium with cold water? [mr-18]

magnesium oxide + hydrogen

magnesium hydroxide + hydrogen

magnesium chloride + hydrogen

magnesium
sulfate + hydrogen

Which is formed by the reaction of magnesium with hydrochloric acid? [mr-19]

magnesium chloride + water

magnesium hydroxide + hydrogen

magnesium chloride + hydrogen

magnesium
sulfate + chlorine

Which is formed by the reaction of magnesium with
sulfuric acid? [mr-20]

magnesium
sulfate + water

magnesium hydroxide +
sulfur dioxide

magnesium chloride + hydrogen

magnesium
sulfate + hydrogen

Which of A to D is less reactive than copper? [mr-21]

Platinum

Potassium

Zinc

Magnesium

Which is more reactive than magnesium? [mr-22]

Platinum

Potassium

Zinc

Tin

Which is more reactive than hydrogen but less reactive than carbon? [mr-23]

Platinum

Potassium

Zinc

Magnesium

Which is less reactive than sodium but cannot be extracted from its ore using carbon? [mr-24]

Platinum

Potassium

Zinc

Magnesium

Which is found in rocks as the metal itself? [mr-25]

Gold

Carbon

Zinc

Potassium

Which is a non-metal with a little metallic character? [mr-26]

Gold

Carbon

Zinc

Potassium

Which is a metal that displaces hydrogen from dilute acids but not from cold water? [mr-27]

Gold

Carbon

Zinc

Potassium

Which cannot be extracted from its ore with carbon? [mr-28]

Gold

iron

Zinc

Potassium

Which of these in contact with iron will cause rusting? [mr-29]

air and water

boiled saltwater

dry pure oxygen

pure boiled water

A steel pier in the sea rusts. The rust consists of? [mr-30]

iron carbonate

iron oxide

iron chloride

iron
sulfate

Which of these reactions is possible? [mr-33]

CuO + Zn ==> ZnO + Cu

Pb + ZnCl2 ==> PbCl2 + Zn

Cu + FeSO4 ==> CuSO4 + Fe

Au + 2HCl ==> AuCl2 + H2

Which of these reactions is possible? [mr-34]

PbO + Cu ==> CuO + Pb

Zn + PbCl2 ==> ZnCl2 + Pb

Cu + FeSO4 ==> CuSO4 + Fe

Pt + 2HCl ==> PtCl2 + H2

Which of these reactions is possible? [mr-35]

SnO + Cu ==> CuO + Sn

Pb + SnCl2 ==> PbCl2 + Sn

Fe + CuSO4 ==> FeSO4 + Cu

Cu + H2SO4 ==> CuSO4 + H2

Which of these reactions is possible? [mr-36]

PbO + Pt ==> PtO + Pb

Pb + SnCl2 ==> PbCl2 + Sn

Pt + CuSO4 ==> PtSO4 + Cu

Sn + H2SO4 ==> SnSO4 + H2

Which of these reactions is possible? [mr-37]

lead + copper oxide ==> lead oxide + copper

copper + hydrochloric acid ==> copper chloride + hydrogen

iron + zinc
sulfate ==> iron sulfate + zinc

lead + tin
sulfate ==> lead sulfate + tin

Which of these reactions is possible? [mr-38]

lead + zinc oxide ==> lead oxide + zinc

zinc + hydrochloric acid ==> zinc chloride + hydrogen

tin + zinc
sulfate ==> tin sulfate + zinc

lead + tin
sulfate ==> lead sulfate + tin

Which of these reactions is possible? [mr-39]

copper + zinc oxide ==> copper oxide + zinc

platinum +
sulfuric acid ==> platinum sulfate + hydrogen

zinc + iron
sulfate ==> zinc sulfate + iron

gold + tin chloride ==> gold chloride + tin

Which of these reactions is possible? [mr-40]

silver + copper oxide ==> silver oxide + copper

copper +
sulfuric acid ==> copper sulfate + hydrogen

iron + zinc chloride ==> iron chloride + zinc

tin + gold
sulfate ==> tin sulfate + gold

Rust readily forms if an iron object is surrounded by? [mr-45]

water with dissolved oxygen

water with no dissolved oxygen

boiled dilute acid

dry air

Which of the following cannot be predicted about metal X, given its position in the reactivity series of metals? [mr-46]

whether X reacts with acid to form hydrogen

whether X acts as a catalyst

the method of extraction of X from an ore

the product of reacting metal X with the
sulfate solution of another metal

Which will displace iron from iron oxide? [mr-47]

tin

copper

magnesium

silver

Road tankers carrying acid use steel tanks lined with glass. The glass is used because? [mr-48]

glass only reacts with alkalis

steel is not strong enough on its own

glass is flexible enough to withstand a crash

acid reacts with steel forming hydrogen

Corrosion occurs when a metal is attacked by? [mr-49]

oxygen

hydrogen

nitrogen

carbon dioxide

When scrap iron is added to blue copper
sulfate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pinky-brown deposit is? [mr-50]

steel

copper metal

iron
sulfate

rust

When scrap iron is added to blue copper
sulfate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of? [mr-51]

sulfuric acid

iron oxide

iron
sulfate

copper chloride

When iron becomes coated in rust, the chemical process is an example of? [mr-52]

electrolysis

electroplating

reduction

oxidation

The steel hulls of ships can be protected from rusting by bolting on blocks of which more reactive metal? [mr-61]

zinc

tin

copper

iron

Steel pipes underground can be protected from rusting by attaching blocks of the more reactive metal? [mr-62]

tin

magnesium

copper

iron

Aluminium window frames do not corrode away because the aluminium is? [mr-63]

not reactive enough with oxygen

not reactive enough with water

coated in a layer of aluminium oxide

not capable of forming an oxide

The rusting of iron is described as an oxidation because the iron atoms? [mr-65]

combine with oxygen atoms

gain electrons

combine with water molecules

are so reactive

Which reacts with water to form hydrogen? [mr-66]

zinc

potassium

copper

mercury

Salt water speeds up the corrosion of metals because it contains ions from salts like sodium chloride. Aluminium can be used for the upper structures of ships because the aluminium? [mr-68]

will not react at all with sea water

will not react with oxygen

is not capable of forming soluble aluminium chloride

is coated in a protective layer of aluminium oxide

In which reaction is a metal oxidised? [mr-69]

magnesium + water (steam) ==> magnesium oxide + hydrogen

carbon + oxygen ==> carbon dioxide

hydrogen + lead oxide ==> lead + water

copper oxide + carbon ==> copper + carbon dioxide

In which reaction is a solid non-metal oxidised? [mr-70]

magnesium + water (steam) ==> magnesium oxide + hydrogen

carbon + water ==> hydrogen + carbon monoxide

hydrogen + lead oxide ==> lead + water

copper oxide + hydrogen ==> copper + water

In which reaction is a gaseous non-metal oxidised? [mr-71]

magnesium + water ==> magnesium hydroxide + hydrogen

carbon + water ==> hydrogen + carbon monoxide

hydrogen + lead oxide ==> lead + water

copper oxide + carbon ==> copper + carbon dioxide

In which reaction is a metal oxide reduced? [mr-72]

magnesium + water ==> magnesium hydroxide + hydrogen

carbon + water ==> hydrogen + carbon monoxide

water (steam) + magnesium ==> magnesium oxide + hydrogen

copper oxide + carbon ==> copper + carbon dioxide

Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation only? [mr-73]

carbon ==> carbon monoxide

lead oxide ==> lead

copper oxide + hydrogen ==> copper + water

carbon dioxide ==> carbon monoxide

Four chemical changes are shown below as part, or full, word equations. Which can be described as a reduction only? [mr-74]

carbon ==> carbon monoxide

lead oxide ==> lead

copper oxide + hydrogen ==> copper + water

carbon monoxide ==> carbon dioxide

Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation and reduction (redox)? [mr-75]

carbon ==> carbon monoxide

lead oxide ==> lead

copper oxide + hydrogen ==> copper + water

carbon monoxide ==> carbon dioxide

Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation and reduction (redox)? [mr-76]

carbon ==> carbon monoxide

lead oxide ==> lead

carbon dioxide ==> carbon monoxide

iron oxide + carbon ==> iron + carbon dioxide

Given the following four observations of the reactions of four metals ...(1) Metals F and G slowly react with water(2) Metal H will displace metal G form its chloride salt solution(3) Metal E will not react with dilute acids(4) Metal H will NOT displace metal F from its
sulfate salt solutionWhat is their reactivity order, from the most to the least reactive? [mr-86]

F > H > G > E

H > E > F > G

E > G > H > F

H > G > F > E

Given the following five observations of the reactions of four metals with hydrogen (H), carbon (C) and other metal oxides ...(1) Metal Y can displace metal Z from its oxide(2) Carbon can displace metal W and metal X from their oxides(3) Hydrogen will displace metal W from its oxide(4) Hydrogen will NOT displace metal X from its oxide(5) Carbon will NOT displace metals Y and Z from their oxidesWhat is their reactivity order, from the most to the least reactive? [mr-87]

(C) > W > X (H) > Y > Z

Y > Z > (C) > X > (H) > W

Z > Y > (C) > W > (H) > X

Y > W > (C) > X > (H) > Z

Underground pipes made of steel (alloy of iron) can be protected from rusting if you attach metal blocks made of the more reactive metal? [mr-88]

chromium alloy

less reactive metal than iron

metal more reactive than iron

a metal of similar reactivity

When copper is heated in air, the oxide compound formed is ? in colour. [mr-92]

green

orange

black

white

When magnesium burns in air, the oxide compound formed is ? in colour. [mr-93]

green

orange

black

white

Given the following three observations of the reactions of four metals ...(1) Metal O will displace metal N from its chloride(2) Only metal L reacts with cold water(3) Metal N reacts faster with acid than metal MWhat is their reactivity order, from the most to the least reactive? [mr-94]

carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace

calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water

Stages in the extraction of iron in a blast furnace are described below after iron ore, coke and limestone have been added at the top, but not in the correct order.(1) carbon dioxide reacts with coke (carbon) to form carbon monoxide(2) limestone combines with acid impurities(3) hot air is blown into the furnace(4) carbon monoxide reacts with iron oxide to make iron(5) coke (carbon) burns to form carbon dioxideWhich is the correct order of sequence for (1) to (5)? [me-86]

(5) (3) (1) (2) (4)

(3) (5) (1) (4) (2)

(5) (1) (3) (2) (4)

(3) (5) (4) (1) (2)

Why is hot air blown into a blast furnace? [me-87]

too keep the iron molten

to melt the iron ore

to react with coke and release energy

to react with impurities in the iron

Which is formed on burning coke in the blast furnace? [me-88]

calcium oxide

slag

carbon monoxide

carbon dioxide

Which removes the oxygen from the iron ore in a blast furnace? [me-89]

carbon monoxide

slag

limestone

carbon dioxide

Which is produced when limestone combines with acidic impurities in the blast furnace extraction of iron? [me-90]

carbon monoxide

slag

iron oxide

carbon dioxide

Which is added to a blast furnace to produce carbon monoxide and heat energy? [me-91]

calcium oxide

limestone

carbon

carbon dioxide

Haematite iron ore contains mainly? [me-92]

iron oxide and slag impurities

iron carbonate and calcium oxide

iron carbonate and slag impurities

iron oxide and acidic impurities

Ingots of aluminium from its electrolytic extraction can be stored outside in all weathers. Why do aluminium ingots not corrode away, despite aluminium being quite high in the reactivity series of metals? [me-93]

aluminium is coated in an oxide layer

aluminium will not react with oxygen

aluminium has a particularly shiny surface

it is not a transition metal like chromium

Which pair of elements are non-metals which will displace less reactive metals from their oxide ores? [me-94]